For fresh yeast my rule of thumb is anything below 1.050 doesn't need a starter. 1.050-1.060 depends on how lazy I feel that day. 1.060 and above definitely.
If I'm using recycled yeast its a starter every time.
Mine likes to stick her head out into the garage about half way through the mash and ask "are you almost done" when she knows damn well that almost done means the chiller is in the wort or the wort is flowing into the carboy.
I just got done setting up the same thing. Be prepared to buy a lot of full couplers, ball valves, close nipples, and camlocks. I'd buy two spools of silver solder as well. I had the best luck when I put four coils around each fitting prior to soldering.
Just plan it out one vessel and pump at...
How fast are you draining the wort from the mash tun? It takes me 30-45 min to lauter all the wort out of my mash tun. It should be trickling into the boil kettle. Are you running a rims or Herms at full open before you are lautering?
Float Switch arrived today. Made a cable for it using some old headphone wire and an XLR Jack set. Covered it up with some expandable sleeving for protection.
Even with a half coupling though it keeps the float from going down when screwed in. I'll have to do a weldless install with a set of...